Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not perform trimming on a device that is not writable. BUG There is a bug report where btrfs/242 can randomly fail due to a NULL pointer dereference at the following locations: - Run fstests btrfs/242 at 2026-06-01...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/i915: A flaw that prevents NULL driverdata values in i915pciprobe. The pcimatchdevice function may return the dummy pcideviceidany entry when a device is forced-bound via sysfs using driveroverride. In this case, -driverdata ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: fbcon: Fixed the issue of NULL pointer dereferencing for a console without vcdata. The function fbconnewmodelist is called when the modelist of a framebuffer changes. For each console mapped to it using fbdisplayi.mode, it reads...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Check the return value of rpcsockaddr2uaddr in rpcbregisterinet4/6. rpcbregisterinet4 and rpcbregisterinet6 store the result of rpcsockaddr2uaddr into map-raddr without checking if it is NULL. rpcsockaddr2uaddr returns NU...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: vcscreen: fix null-ptr-deref in vcsnotifier during concurrent vcswrite A KASAN null-ptr-deref was observed in vcsnotifier: BUG: KASAN: null-ptr-deref in vcsnotifier+0x98/0x130 Read of size 2 at addr qmpcmdname: qmpcapabilities,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: ravb: avoid dereferencing an invalid PTP clock. The PTP clock is unavailable before the first operation; therefore, querying its index may lead to dereferencing a NULL pointer. Registration failures may also leave an error...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: Added a missing check for allocorderedworkqueue. Added a check on the return value of allocorderedworkqueue, as it may return a NULL pointer, leading to a NULL pointer dereferencing issue. Patchwork:...

Astra Linux – vulnerability in linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Fix NULL pointer dereference in tcpmpdsvdm It is possible that typecregisterpartner returns ERRPTR on failure. When port-partner is an error, a NULL pointer dereference may occur as shown below. 91222.095236 T31...

Astra Linux – Vulnerability in libjpeg-turbo

Libjpeg-turbo 1.5.2 has a NULL Pointer Dereference issue in files jdpostct.c and jquant1.c, due to a malicious JPEG file...

Astra Linux – vulnerability in netcdf

An issue was found in libezxml.a within ezXML 0.8.6. The ezxmlinternaldtd function, when parsing a specially crafted XML file, performs improper memory handling. This results in a NULL pointer dereference when strcmp is executed on a NULL pointer...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: soc: aspeed: lpc-snoop: Do not disable channels that are not enabled Mitigate the following issues: echo 1e789080.lpc-snoop /sys/bus/platform/drivers/aspeed-lpc-snoop/unbind ... 120.363594 Unable to handle kernel NULL pointer...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: igc: Restored the IGCREMOVED logic and implemented it correctly. The initially merged version of the igc driver code via commit 146740f9abc4, “igc: Add support for PF” contained the following IGCREMOVED checks in the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drivers/md/md-bitmap: Check the return value of mdbitmapgetcounter. Check the return value of mdbitmapgetcounter in case it returns a NULL pointer, which would lead to a null pointer dereferencing. v2: Update the check to include...

Astra Linux – vulnerability in linux-5.10, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: fix DFS traversal oops without CONFIGCIFSDFSUPCALL When compiled with CONFIGCIFSDFSUPCALL disabled, cifsdfsdautomount is NULL. The cifs.ko logic responsible for mapping CIFSFATTRDFSREFERRAL attributes to SAUTOMOUNT and the...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: add NULL check for idev in ipv6hopioam Reported by Sashiko: The function ipv6hopioam accesses in6devgetskb-dev-cnf.ioam6enabled without validating the returned idev pointer. Since addrconfifdown can simultaneously cle...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: jffs2: Check the result of jffs2preallocrawnoderefs in several other locations Fuzzing resulted in another invalid pointer dereference due to a lack of checks confirming whether jffs2preallocrawnoderefs completed successfully...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: vmalloc: fix NULL pointer dereference in isvmareahugepages findvmarea may return NULL if the given address is not a valid vmalloc area. Verify the return value before dereferencing it to prevent a kernel crash...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: block: add check that partition length needs to be aligned with block size Before calling add partition or resize partition, there is no check on whether the length is aligned with the logical block size. If the logical block siz...

Astra Linux – vulnerability in linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: packet: synchronize pressure clearing with ring reconfiguration packetsetring updates the RX ring state under skreceivequeue.lock; however, it uses po-prothook.func to publish the tpacket receive mode after releasing that lock...

Astra Linux – vulnerability in linux-5.15

In the Linux kernel, the following vulnerability has been resolved: media: cx23885: Fix a null-ptr-deref bug in bufferprepare and bufferfinish When the driver calls cx23885riscbuffer to prepare the buffer, the function call dmaalloccoherent may fail, resulting in an empty buffer risc-cpu. Later,...